quantacipher_core/
error.rs1use std::fmt;
2
3#[derive(Debug)]
4pub enum QuantaCipherError {
5 KeygenFailed,
6 EncapsulationFailed,
7 DecapsulationFailed,
8 EncryptionFailed,
9 DecryptionFailed,
10 InvalidPublicKeyLength,
11 InvalidPrivateKeyLength,
12 InvalidCiphertextLength,
13 InvalidPayloadFormat,
14 DecodeError(base64::DecodeError),
15 Utf8Error(std::string::FromUtf8Error),
16}
17
18impl fmt::Display for QuantaCipherError {
19 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20 match self {
21 Self::KeygenFailed => write!(f, "Kyber keygen failed"),
22 Self::EncapsulationFailed => write!(f, "Kyber encapsulation failed"),
23 Self::DecapsulationFailed => write!(f, "Kyber decapsulation failed (wrong key?)"),
24 Self::EncryptionFailed => write!(f, "AES-GCM encryption failed"),
25 Self::DecryptionFailed => write!(f, "AES-GCM decryption failed (tampered data or wrong key?)"),
26 Self::InvalidPublicKeyLength => write!(f, "Invalid public key length"),
27 Self::InvalidPrivateKeyLength => write!(f, "Invalid private key length"),
28 Self::InvalidCiphertextLength => write!(f, "Invalid Kyber ciphertext length"),
29 Self::InvalidPayloadFormat => write!(f, "Invalid payload format"),
30 Self::DecodeError(e) => write!(f, "Base64 decode error: {}", e),
31 Self::Utf8Error(e) => write!(f, "UTF-8 decode error: {}", e),
32 }
33 }
34}
35
36impl std::error::Error for QuantaCipherError {}
37
38impl From<base64::DecodeError> for QuantaCipherError {
39 fn from(err: base64::DecodeError) -> Self {
40 QuantaCipherError::DecodeError(err)
41 }
42}
43
44impl From<std::string::FromUtf8Error> for QuantaCipherError {
45 fn from(err: std::string::FromUtf8Error) -> Self {
46 QuantaCipherError::Utf8Error(err)
47 }
48}